Hose and like coupling.



No. 867,059. PATENTED SEPT. 24, 1907.

S. B. LEAR.

HOSE AND LIKE GOUPLING. APPLICATION Hum Arn.4.1oo7.

WITNESSES: IN VEN TOR rncwolmls reruns co., wnsmuanm. v- C- UNITEDSTATES SAMUEL BQLEAR, OF SAN FRANCISCO, CALIFORNIA.

on ein 2 HosE AND LIKEV COPLING.

Specification of Letters Patent.

Patented Sept. 24, 1907.

Application iled April 4, 1907. Serial No. 366,293.

To all whom it may concern:

Be it known that I, SAMUEL B. LEAR, a citizen of the United States,residing at the city and county of San Francisco and State ofCalifornia, have invented new and useful Improvements in Hose and LikeCouplings, of which the following is a specification.

My invention relates to a coupling device suitable to be used forconnecting pipe hose, or forming equivalent joints between parts whichare to be extended in line with each other.

It consists in a combination of parts, and in detailsA of constructionwhich will `be more fully described hereafter; having reference to theaccompanying drawings.

Figure l is a longitudinal section through my hose coupling. Fig. 2 is apartial longitudinal section at right angles to Fig. l. Fig. 3 is anexterior view. Fig. 4 is an end View.

A and B are the exterior shells of the two parts of my coupling, andthese are formed with extensions 2; and diagonal interlocking portions 3projecting from the extensions 2 so that when the parts A and B areturned with relation to each other, each of the inclined tongues 3 movesinto the corresponding diagonal channel formed between the body of theother member of the coupling and its tongue, thus interlocking the twofirmly together. When the two parts are thus turned to interlock, itwill be seen that an open space will be left between the extensions 2upon each side, and within this space bolts 4 are caused to slide so asto prevent the interlocking members from being turned backwardly.Thesefbolts 4vv are slidable in channels within the part B as shown, andare normally forced out by springs 5 contained in chambers behind thebolts 4. These bolts will be normally forced out, and when the parts areto be coupled, the' diagonalinterlocking ribs first contacting with theends of the bolts 4, as the parts are pushed together, will depressthese bolts against the elasticity of the springs, until theinterlocking parts 3 can be turned into their respective channels, andas soon as they have been turned so far as to suciently separate theextensions 2 upon each side, the springs will force the bolts forwardinto these spaces, and thus prevent the unlocking of the coupling. Thecentral portions of the members A and B form the conducting channelswhen used for hose or pipe coupling.

The part B has a cylindrical tubular portion 6 of sutlicient interiordiameter to receive a corresponding tubular portion 7 which projectscentrally within the part A, and in line with the part 6, so that whenthe interlocking members are pushed together, the part 7 enters the part6. In order to form a tight joint at this point, a packing-ring 8 may befitted around the part 7, so that when the two parts are connected, thisring will fit against the end of the tubular part 6, and thus preventleakage at that point. The packing-ring is held firmly against the part6 by means oi a lever 9 suitably fulcrumed upon the part A having armsentering the chamber around the tubular extension 7, which chamber tsthe end of the tubular part 6, and by pressing the lever 9 down, theinner end will act through its connections to complete the joint asdescribed. In order to properly connect the hose or other part with thiscoupling, I have shown a tubular extension 7L of smaller diameter thanthe main body A, and substantially a continuation of the part 7.

10 are two semicircular segments pivoted to the part A as shown at l1 sothat their outer ends may open outwardly from the part 7IL to form achannel around it. Into this channel the end of the hose may be insertedinclosing the part 7, and in turn inclosed by the segmental wings l0which grip the hose closely upon the part 7, the latter being preferablycorrugated in the usual manner for such ends to insure a close hold ofthe hose upon it. The parts 10 have transverse holes made through theiropposite sides, as shown at 12, and small screws or bolts passingthrough these holes, serve to insuring its remaining in place.

The lever 9 has a projection l9a upon the opposite side of its fulcrum,and this projection is engaged by a spring-pressed latch 9b when thelever is pressed down to complete the lock. By means of a button 9connected with the latch, and slidable in a slot 9d the latch may bewithdrawn and the lever released.

Having thus described my invention, what I claim and desire to secure byLetters Patent issions from their contiguous ends, said extensionshaving diagonal tongues turnably interlocking with each other,spring-pressed slidable bolts entering the spaces between the extensionsto maintain the parts in locked position, the joint-forming gasketbetween the two members, and means carried by one of said members forforcing the gasket into sealing contact with the other member.

2. In a hose and like coupling, members having turnably interlockingtongues and holding bolts, interior tubular poi-tions, one of whichslides into the othervwhen the members are interlocked, a joint-forminggasket surrounding the inner tube, and a lever whereby said gasket isforced into sealing contact with the end of the outer tube.

3. In a hose and like coupling, turnably interlocking members withspring-pressed holding bolts, means for forming a tight joint betweenthe tubular interior portions, said means comprising a gasket and adevice by which the draw the gripping segments tight upon the hose, thusK 1. In a hose or pipe coupling, members having exten gasket is forcedinto sealing contact with one of said memend, and a. spring-pressedlocking latch engaging the lever, 10 bers, means for securing the hoseto the ends of said memwith a disengaging device for the latch. bers,said means comprising hinged segments adapted to In testimony whereof Ihave hereunto set my hand in clamp the hose and transverse bolts bywhich said segpresence of two subscribing witnesses. ments arecompressed.

4. In a hose and like coupling, members having turnably bMUEL B LEAR'interlocking tongues, and holding bolts, interior telescop- Witnesses:ing tubular portions, a joint-forming gasket, a lever where- S. H.NoUnsE,

by said gasket is forced into sealing contact with the tube FnnDEmcK E.MAYNARD.

